High-efficiency boost half-bridge converter with fast boost current transferring ZVS operation

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A new boost half bridge (BHB) converter is presented. It is composed of additional switch, diode and coupled winding to boost inductor of BHB converter. Using the transferring of boost inductor current to coupled winding in a short period, the cancellation of zero voltage switching (ZVS) current, which always occurs in convention one, is prevented. Therefore, the ZVS operation is easily achieved by leakage inductor current of transformer. Furthermore, since negatively build-up leakage inductor current of boost winding helps the ZVS operation throughout full load range, the excellent ZVS operation and high efficiency is achieved.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2008-07
Language
English
Article Type
Article
Keywords

REDUCED REVERSE-RECOVERY; ZERO-VOLTAGE

Citation

IEEE TRANSACTIONS ON POWER ELECTRONICS, v.23, pp.1822 - 1829

ISSN
0885-8993
DOI
10.1109/TPEL.2008.924625
URI
http://hdl.handle.net/10203/90590
Appears in Collection
EE-Journal Papers(저널논문)
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